70     color col, diffuse, phongcol;  in shader()  local
98     diffuse.r = 0.0;  in shader()
99     diffuse.g = 0.0;  in shader()
100     diffuse.b = 0.0;  in shader()
101     phongcol = diffuse;  in shader()
103     if ((obj->tex->diffuse > 0.0) || (obj->tex->phong > 0.0)) {  in shader()
136                     ColorAddS(&diffuse, &li->tex->col, inten);  in shader()
152     ColorScale(&diffuse, obj->tex->diffuse);  in shader()
154     col.r *= (diffuse.r + obj->tex->ambient); /* do a product of the */  in shader()
155     col.g *= (diffuse.g + obj->tex->ambient); /* diffuse intensity with */  in shader()
156     col.b *= (diffuse.b + obj->tex->ambient); /* object color + ambient */  in shader()